Mattress GuidesAre Allswell Mattresses Toxic? A Materials, Fiberglass, and CertiPUR-US Breakdown
Short answer: no. Allswell's foams are CertiPUR-US certified, and the mattresses comply with U.S. flammability law. The only real catch is that some Allswell models use a fiberglass fire barrier inside the cover, which is safe in normal use but matters if you ever unzip the cover.











